Inspec keywords: image coding; face recognition; data compression; quantisation (signal); regression analysis; learning (artificial intelligence); gradient methods

Other keywords: low computational costs; supervised descent method; cascaded-regression-based face alignment algorithms; SDM-based face alignment; model data; nonparametric method; adaptive quantisation algorithm; model compression; mobile applications; mobile phones; expression recognition; impressive results; mobile AR application; face recognition; data compression method; face-based AR applications; quantitative experimental results; SDM training process; data model; cascaded-regression-based methods; trained model; commercial applications

Subjects: Other topics in statistics; Other topics in statistics; Computer vision and image processing techniques